Figure 423. Tpiu Block Diagram - ST STM32F423 Reference Manual

Debug support (DBG)
The core s a simple TPIU, especially designed for low-cost debug (consisting of a special
version of the CoreSight TPIU).
1308/1324

Figure 423. TPIU block diagram

CLK domain
Asynchronous
ETM
Asynchronous
ITM
External PPB bus
TPIU
FIFO
TPIU
formatter
FIFO
RM0430 Rev 8
TRACECLKIN domain
TRACECLKIN
TRACECK
Trace out
TRACEDATA
(serializer)
[3:0]
TRACESWO
RM0430
ai17114